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Check that Flexible Cylinders converges to cylinder model (Trac #727) #120

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sasview-bot opened this issue Mar 30, 2019 · 2 comments
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@sasview-bot
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sasview-bot commented Mar 30, 2019

The Kuhn parameter ''b'' parametrizes the stiffness of the rod with length ''L''. For a Kuhn parameter of ''b''=2*''L'' the result should converge to the simple cylinder model, but it does not. There seems to be a numerical issue such that an artefact bumb appears at low ''q''.

Migrated from http://trac.sasview.org/ticket/727

{
    "status": "new",
    "changetime": "2019-03-03T01:04:26",
    "_ts": "2019-03-03 01:04:26.864004+00:00",
    "description": "The Kuhn parameter ''b'' parametrizes the stiffness of the rod with length ''L''. For a Kuhn parameter of ''b''=2*''L'' the result should converge to the simple cylinder model, but it does not. There seems to be a numerical issue such that an artefact bumb appears at low ''q''.",
    "reporter": "dirk",
    "cc": "",
    "resolution": "",
    "workpackage": "SasModels Model Issues",
    "time": "2016-10-07T17:54:12",
    "component": "sasmodels",
    "summary": "Check that Flexible Cylinders converges to cylinder model",
    "priority": "major",
    "keywords": "",
    "milestone": "sasmodels 1.0",
    "owner": "dirk",
    "type": "enhancement"
}
@butlerpd
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Trac update at 2019/03/02 00:23:54: butler changed workpackage from "SasModels Redesign" to "SasModels New Model"

@butlerpd
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Trac update at 2019/03/03 01:04:26: butler changed workpackage from "SasModels New Model" to "SasModels Model Issues"

@butlerpd butlerpd modified the milestones: sasmodels 1.0, sasmodels 1.1 Aug 6, 2019
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